Panel tester



FIG. 1 is a Left Front Top Perspective of the panel tester view

FIG. 2 is a Top view of the panel tester view

FIG. 3 is a Front view of the panel tester view

FIG. 4 is a Rear view of the panel tester view; and,

FIG. 5 is a Left side view of the panel tester view. 

The ornamental design for a panel tester, as shown. 